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2D detectors [EPID]

Steciw

Med Phys (32) 2005

Renner

J Appl Clin Med Phys (6) 2005

van Elmpt

Med Phys (33) 2006

2 - Predict primary fluence from open images

Measure

open

EPID image (i.e. without

attenuating medium)

Convert to dose at EPID level

Deconvolve EPID dose with lateral scatter kernel

to estimate primary fluence

Use primary fluence as input to calculate dose

distribution in patient/phantom

primary

fluence

dose

calculation

algorithm